From f29130e3c2d005c5c99cba09e8d7bb6dfc1470e8 Mon Sep 17 00:00:00 2001 From: Robert Noland Date: Tue, 17 Mar 2009 03:50:35 +0000 Subject: [PATCH] Improve the debugging output of drm_mmap MFC after: 3 days --- sys/dev/drm/drm_vm.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/sys/dev/drm/drm_vm.c b/sys/dev/drm/drm_vm.c index e00684b96a8..a61898ab50b 100644 --- a/sys/dev/drm/drm_vm.c +++ b/sys/dev/drm/drm_vm.c @@ -86,8 +86,13 @@ int drm_mmap(struct cdev *kdev, vm_offset_t offset, vm_paddr_t *paddr, } if (map == NULL) { + DRM_DEBUG("Can't find map, requested offset = %016lx\n", + offset); + TAILQ_FOREACH(map, &dev->maplist, link) { + DRM_DEBUG("map offset = %016lx, handle = %016lx\n", + map->offset, (unsigned long)map->handle); + } DRM_UNLOCK(); - DRM_DEBUG("can't find map\n"); return -1; } if (((map->flags&_DRM_RESTRICTED) && !DRM_SUSER(DRM_CURPROC))) {